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APPENDIX — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
Troubleshooting
If the machine stops operating correctly, check the following possible problems before requesting service.
If the problem persists, contact your retailer or the nearest authorized service center.
Symptom Probable Cause Remedy Reference
The machine does
not operate.
The machine is not turned on. Turn on the machine. page 19
The start/stop button was not
pressed.
Press the start/stop button. page 58
The presser foot lever is raised. Lower the presser foot lever. page 58
The embroidery unit is not
attached on the machine.
Attach the embroidery unit. page 15
The needle breaks.
The needle is incorrectly installed. Correctly install the needle.
page 36The needle clamp screw is loose.
Use the screwdriver to firmly tighten
the screw.
The needle is bent or blunt. Replace the needle.
The upper thread tension is too
tight.
Loosen the upper thread tension. page 64
The spool is incorrectly installed. Correctly install the spool. page 30
The area around the hole in the
needle plate is scratched, or has a
burr on it.
Replace the needle plate. Contact
your retailer or the nearest authorized
service center.
–
The area around the hole in the
embroidery foot is scratched, or
has a burr on it.
Replace the embroidery foot. Contact
your retailer or the nearest authorized
service center.
–
The bobbin case is scratched, or
has a burr on it.
Replace the bobbin case. Contact
your retailer or the nearest authorized
service center.
–
A bobbin designed specifically for
this machine is not used.
Incorrect bobbins will not work
properly. Only use a bobbin
designed specifically for this
machine.
page 24
The upper thread
breaks.
The upper thread was not
threaded correctly (for example,
the spool is not installed correctly,
the spool cap is too big for the
spool being used, or the thread
has come out of the needle bar
thread guide).
Correct the upper threading. page 30
There are knots or tangles in the
thread.
Remove any knots or tangles. –
The upper thread tension is too
tight.
Loosen the upper thread tension. page 64